Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 41 x 41 in Inside Dim - Roof Curbs
DaytonRoof Curbs

Dayton Roof Curb: Fixed Ventilated Curbs, Square Curb, 41 x 41 in Inside Dim

The Dayton 4HX60 is a fixed ventilated roof curb designed for upblast fans. Constructed from galvanized steel, this square curb has an inside width of 41 inches and an outside width of 44-1/2 inches. It complies with…

SKU 3G-OTH-79326

Brand
Dayton
Item
Roof Curb: Fixed Ventilated Curbs, Square Curb, 41 x 41 in Inside Dim
Category
Roof Curbs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dayton
Manufacturer Part Number
4HX60
Type
Square Curb, Mfr Part # 4HX60
Material
Steel
Finish
Galvanized
Standards
NFPA 96
Inside Dim
41 x 41 in
For Fan Type
Upblast Fans
Curb Inside Width
41 in
Curb Outside Width
44-1/2 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dayton Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dayton 4HX60 is a fixed ventilated roof curb designed for upblast fans. Constructed from galvanized steel, this square curb has an inside width of 41 inches and an outside width of 44-1/2 inches. It complies with NFPA 96 standards.

Frequently Asked Questions

What is the Dayton 4HX60 roof curb used for?

The Dayton 4HX60 is a fixed ventilated roof curb designed to mount upblast fans on commercial or industrial roofs. It provides a stable, weathertight base that elevates the fan while allowing proper airflow. Common applications include restaurant kitchen exhaust, warehouse ventilation, and industrial fume extraction systems.

What are the specifications of the Dayton 4HX60 roof curb?

The Dayton 4HX60 is a square roof curb with an inside width of 41 inches and an outside width of 44-1/2 inches. It is constructed from galvanized steel and complies with NFPA 96 standards. This curb is specifically designed for upblast fans and has a galvanized finish for corrosion resistance.

Where to buy the Dayton 4HX60 roof curb worldwide?

You can source the Dayton 4HX60 roof curb through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact our team for a quote and lead time on this item.

How to install the Dayton 4HX60 roof curb?

Install the Dayton 4HX60 by first ensuring the roof opening matches the curb's inside dimensions. Secure the curb to the roof structure using appropriate fasteners and seal all joints with roofing-grade sealant. Finally, mount the upblast fan onto the curb per the fan manufacturer's instructions. Always follow local building codes.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton roof curbs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim, Mfr Part # 4HX56. Key specifications — Curb Outside Width: 24-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX56; Brand: DAYTON; Curb Inside Width: 21 in; Material: Steel.
Dayton
Roof Curb: Fixed Ventilated Curbs, Square Curb, 21 x 21 in Inside Dim, Mfr Part # 4HX56. Key specifications — Curb Outside Width: 24-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX56; Brand: DAYTON; Curb Inside Width: 21 in; Material: Steel.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 29 x 29 in Inside Dim, Mfr Part # 4HX58. Key specifications — Curb Outside Width: 32-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 762; Manufacturer Part Number: 4HX58; Brand: DAYTON; Curb Inside Width: 29 in; Material: Steel.
Dayton
Roof Curb: Fixed Ventilated Curbs, Square Curb, 29 x 29 in Inside Dim, Mfr Part # 4HX58. Key specifications — Curb Outside Width: 32-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 762; Manufacturer Part Number: 4HX58; Brand: DAYTON; Curb Inside Width: 29 in; Material: Steel.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 14 x 14 in Inside Dim, Mfr Part # 4HX54. Key specifications — Curb Outside Width: 17-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX54; Brand: DAYTON; Curb Inside Width: 14 in; Material: Steel.
Dayton
Roof Curb: Fixed Ventilated Curbs, Square Curb, 14 x 14 in Inside Dim, Mfr Part # 4HX54. Key specifications — Curb Outside Width: 17-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX54; Brand: DAYTON; Curb Inside Width: 14 in; Material: Steel.
Roof Curb: Adj Ventilated Curbs, Square Curb, 21 in to 26 in x 21 in to 26 in Inside Dim (MPN 4HX62). Key specifications — Curb Outside Width: 24 in to 29 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX62; Brand: DAYTON; Curb Inside Width: 21 in to 26 in; Material: Steel.
Dayton
Roof Curb: Adj Ventilated Curbs, Square Curb, 21 in to 26 in x 21 in to 26 in Inside Dim (MPN 4HX62). Key specifications — Curb Outside Width: 24 in to 29 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: NFPA 96; Manufacturer Part Number: 4HX62; Brand: DAYTON; Curb Inside Width: 21 in to 26 in; Material: Steel.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 25 x 25 in Inside Dim, Mfr Part # 4HX57. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX57; Brand: DAYTON; Curb Inside Width: 25 in; Material: Steel.
Dayton
Roof Curb: Fixed Ventilated Curbs, Square Curb, 25 x 25 in Inside Dim, Mfr Part # 4HX57. Key specifications — Curb Outside Width: 28-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; Standards: UL 705; Manufacturer Part Number: 4HX57; Brand: DAYTON; Curb Inside Width: 25 in; Material: Steel.
Roof Curb: Fixed Ventilated Curbs, Square Curb, 37 x 37 in Inside Dim, Mfr Part # 4HX59. Key specifications — Curb Outside Width: 40-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX59; Brand: DAYTON; Curb Inside Width: 37 in; Material: Steel.
Dayton
Roof Curb: Fixed Ventilated Curbs, Square Curb, 37 x 37 in Inside Dim, Mfr Part # 4HX59. Key specifications — Curb Outside Width: 40-1/2 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; Standards: UL 762; Manufacturer Part Number: 4HX59; Brand: DAYTON; Curb Inside Width: 37 in; Material: Steel.

More from Dayton

View all Dayton parts →
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim, 71 in x 71 in Outside Dim (MPN 3AZJ9). Key specifications — Curb Outside Width: 71 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 72-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ9; Brand: DAYTON; Curb Inside Width: 68 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 68 x 68 in Inside Dim, 71 in x 71 in Outside Dim (MPN 3AZJ9). Key specifications — Curb Outside Width: 71 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 72-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZJ9; Brand: DAYTON; Curb Inside Width: 68 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 11.5 x 12 1/2 in Inside Dim, Mfr Part # 2RB74. Key specifications — Curb Outside Width: 15 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 16 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB74; Brand: DAYTON; Curb Inside Width: 12-1/2 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 11.5 x 12 1/2 in Inside Dim, Mfr Part # 2RB74. Key specifications — Curb Outside Width: 15 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 16 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB74; Brand: DAYTON; Curb Inside Width: 12-1/2 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 31.5 x 31 1/2 in Inside Dim, Mfr Part # 3AZH9. Key specifications — Curb Outside Width: 34-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 36 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH9; Brand: DAYTON; Curb Inside Width: 31-1/2 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 31.5 x 31 1/2 in Inside Dim, Mfr Part # 3AZH9. Key specifications — Curb Outside Width: 34-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 36 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH9; Brand: DAYTON; Curb Inside Width: 31-1/2 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim, 27 in x 27 in Outside Dim (MPN 3AZH7). Key specifications — Curb Outside Width: 27 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 28-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH7; Brand: DAYTON; Curb Inside Width: 24 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 24 x 24 in Inside Dim, 27 in x 27 in Outside Dim (MPN 3AZH7). Key specifications — Curb Outside Width: 27 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 28-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3AZH7; Brand: DAYTON; Curb Inside Width: 24 in.
Roof Curb: Adj Nonventilated Curbs, Square Curb, 19 1/2 in to 28 in Inside Dim, Mfr Part # 2ZV83. Key specifications — Curb Outside Width: 23-1/2 in to 32 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 25 in to 30-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 2ZV83; Brand: DAYTON; Curb Inside Width: 19-1/2 in to 28 in.
Dayton
Roof Curb: Adj Nonventilated Curbs, Square Curb, 19 1/2 in to 28 in Inside Dim, Mfr Part # 2ZV83. Key specifications — Curb Outside Width: 23-1/2 in to 32 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 25 in to 30-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 2ZV83; Brand: DAYTON; Curb Inside Width: 19-1/2 in to 28 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 41.5 x 41 1/2 in Inside Dim, Mfr Part # 2RB82. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 46 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB82; Brand: DAYTON; Curb Inside Width: 41-1/2 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 41.5 x 41 1/2 in Inside Dim, Mfr Part # 2RB82. Key specifications — Curb Outside Width: 44-1/2 in; Finish: Galvanized; For Fan Type: Downblast Fans; For Use With: 46 in Square Base; Standards: UL 705; Manufacturer Part Number: 2RB82; Brand: DAYTON; Curb Inside Width: 41-1/2 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim, 23 in x 23 in Outside Dim (MPN 3FLT5). Key specifications — Curb Outside Width: 23 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 24-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3FLT5; Brand: DAYTON; Curb Inside Width: 20 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 20 x 20 in Inside Dim, 23 in x 23 in Outside Dim (MPN 3FLT5). Key specifications — Curb Outside Width: 23 in; Finish: Galvanized; For Fan Type: Filtered Supply Fans; For Use With: 24-1/2 in Square Base; Standards: UL 705; Manufacturer Part Number: 3FLT5; Brand: DAYTON; Curb Inside Width: 20 in.
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 47.5 x 47 1/2 in Inside Dim, Mfr Part # 5EFJ3. Key specifications — Curb Outside Width: 50-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 52 in square base; Standards: UL 705; Manufacturer Part Number: 5EFJ3; Brand: DAYTON; Curb Inside Width: 47-1/2 in.
Dayton
Roof Curb: Fixed Nonventilated Curbs, Square Curb, 47.5 x 47 1/2 in Inside Dim, Mfr Part # 5EFJ3. Key specifications — Curb Outside Width: 50-1/2 in; Finish: Galvanized; For Fan Type: Upblast Fans; For Use With: 52 in square base; Standards: UL 705; Manufacturer Part Number: 5EFJ3; Brand: DAYTON; Curb Inside Width: 47-1/2 in.